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Finding the Third Proportional to 651.94 and 1,028.81

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Solution

The third proportional to 651.94 and 1,028.81 is: 1,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.94 : 1,028.81 = 1,028.81 : x
  2. Step 2: Convert to fraction form
    651.94/1,028.81 = 1,028.81/x
  3. Step 3: Cross multiply
    651.94x = 1,028.81 × 1,028.81
  4. Step 4: Simplify right side
    651.94x = 1,058,455.16
  5. Step 5: Solve for x
    x = 1,058,455.16/651.94
  6. Step 6: Final answer
    x = 1,623.55

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.